PUMP KIT (DP-448-P) - John Blue DP-28988397

The John Blue DP-448-P is a low-pressure poly diaphragm pump designed for efficient liquid transfer in agricultural and industrial applications. Constructed with a patented aluminum die-cast core inside a polypropylene structure, it offers superior strength and chemical resistance. The pump features four diaphragms, a 2-inch hose suction inlet, and a 1-inch NPT discharge outlet. It operates at a maximum flow rate of 44.9 GPM, a maximum pressure of 218 PSI, and a maximum speed of 550 RPM. The maximum operating temperature is 140°F, and it requires 6.5 HP for optimal performance. The pump weighs 58 lbs and utilizes 30 SAE lubricating oil. Recommended control units include the SC-2660-3. Key features include:

• Aluminum die-cast core inside a polypropylene structure for enhanced strength.
• 316 stainless steel washers and diaphragm bolts for durability.
• Die-cast crankcase with a new cooling system.
• Chemically resistant diaphragm material compatible with most corrosive chemicals.
• Short crankshaft stroke for extended pump life.
• Bronze alloy connecting rods for economical and trouble-free service.
• 316 stainless steel inlet and outlet check valves for reliable performance.

• Model: DP-448-P
• Maximum Flow Rate: 44.9 GPM
• Maximum Pressure: 218 PSI
• Maximum Speed: 550 RPM
• Maximum Power: 6.5 HP
• Maximum Temperature: 140°F
• Suction Hose Diameter: 2-inch hose
• Discharge Hose Diameter: 1-inch NPT
• Weight: 58 lbs
• Diaphragms: 4
• Lubricating Oil Type: 30 SAE
• Through Shaft: 1 3/8-inch 6-spline both ends
• Negative Pressure – Max: 4.9 ft
• Negative Pressure – Intermittent: 9.8 ft
• Recommended Control Unit: SC-2660-3

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